After escaping from Animal Control, Max (Louis C.K./Patton Oswalt) and Duke (Eric Stonestreet) stumble into the hidden world of underground pets, ruled by the rebellious and hilarious Snowball (Kevin ...

Max gets a rude awakening when his owner brings home Duke, a massive, hairy, zero-boundaries housemate who instantly takes over everything. Max tries to act like the alpha, despite being a tenth of ...